http://www.sendmail.org/virtual-hosting.html 

Appendix B.1	CF's USERTABLE_MAPS の例

CF については CF のマニュアル (doc/MANUAL.jpn)をよく読んで下さい。
読むべきところは USERTABLE_MAPS です。

* .def ファイルの変更点

-##USERTABLE_MAPS='local=hash:/etc/ut.local \
-##                ut.dom1=btree:/etc/ut.dom1:error \
-##                ut.dom2=dbm:/etc/ut.dom2 \
-##                ut.dom3=nis:usertable3'
+USERTABLE_MAPS='fml.org=hash:/root/test/fml'
+
~.q

* /root/test/fml

fukachan:maildrop       fukachan@enkai.org

* db を作る

# makemap hash /root/test/fml.db < /root/test/fml

* sendmail test mode

% sendmail -bt -C virtual.cf
> 3,0 fukachan@fml.org
rewrite: ruleset   3   input: fukachan @ fml . org
rewrite: ruleset  96   input: fukachan < @ fml . org >
rewrite: ruleset  96 returns: fukachan < @ fml . org >
rewrite: ruleset   3 returns: fukachan < @ fml . org >
rewrite: ruleset   0   input: fukachan < @ fml . org >
rewrite: ruleset  91   input: fukachan < @ fml . org >
rewrite: ruleset  91 returns: fukachan @ enkai . org @ < @ fml . org >
rewrite: ruleset  97   input: fukachan @ enkai . org
rewrite: ruleset   3   input: fukachan @ enkai . org
rewrite: ruleset  96   input: fukachan < @ enkai . org >
rewrite: ruleset  96 returns: fukachan < @ enkai . org >
rewrite: ruleset   3 returns: fukachan < @ enkai . org >
rewrite: ruleset   0   input: fukachan < @ enkai . org >
rewrite: ruleset  88   input: < smtp : enkai . org > . fukachan < @ enkai . org >
rewrite: ruleset  88 returns: $# smtp $@ enkai . org . $: fukachan < @ enkai . org >
rewrite: ruleset   0 returns: $# smtp $@ enkai . org . $: fukachan < @ enkai . org >
rewrite: ruleset  97 returns: $# smtp $@ enkai . org . $: fukachan < @ enkai . org >
rewrite: ruleset   0 returns: $# smtp $@ enkai . org . $: fukachan < @ enkai . org >